Fall in zone 5bPhoto: Dietmar Rabich, CC BY-SA 4.0, via Wikimedia Commons
Frost dates for ZIP 82005 (Warren AFB, WY)
Average last spring and first fall frost dates with 10%, 50% and 90% odds, from NOAA's 1991–2020 climate normals for the nearest weather station, Cheyenne WFO, WY (3 miles away).
- Average last spring frostMay 1450% chance of a 32°F freeze after this date
- Average first fall frostOct 150% chance of a 32°F freeze by this date
- Growing season (frost-free)139 daysmedian, 32°F threshold
- USDA hardiness zone5b-15 to -10°F avg. coldest night
Get The Dial for 82005 (Warren AFB)
Frost and freeze alerts from the NWS forecast for 82005, the spring soil-temperature heads-up for pre-emergent, and a short weekly yard-timing email.
- Freeze alerts
- Soil-temp heads-up
- Weekly yard to-dos
Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.
This week in your yard
As of Oct 18, 2026, from your frost dates, zone and soil temperature. Lawn timing · Vegetables · Pruning · Plants
Soil temperature now
2-inch depth
50°F Below 50°F
24-hour average · latest 48°F, as of Oct 18, 2:00 AM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Nunn #1 (21 mi), Nunn 7 NNE (24 mi).
4-inch depth
52°F 50–55°F
24-hour average · latest 53°F, as of Oct 18, 2:00 AM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Nunn #1 (21 mi), Nunn 7 NNE (24 mi).
Fall: Texas A&M AgriLife times fall pre-emergent (for winter weeds such as annual bluegrass) to soil cooling to about 70°F for several days. The 50–55°F band is the spring trigger. Always read and follow the product label.
7-day forecast and frost risk
The latest National Weather Service 7-day forecast and any Frost Advisory or Freeze Warning for 82005 load here. You can also open the NWS forecast for this ZIP.
Pre-emergent
Soil is 52°F at 4 inches (estimated soil temperature, not a station reading). Fall pre-emergent window is mostly past. Next: spring, when soil reaches 50°F (typically mid-April to mid-May).
Fertilizer window
Lawn region: Mountain West and High Plains. Timing only; always follow the product label.
- Kentucky bluegrass (cool-season): Early fall: Around Labor Day (late August–September); Late fall: Late October–November, before the ground freezes; Late spring: Optional around Memorial Day. Avoid: Early-spring and midsummer feeding (pushes top growth, favors crabgrass).
Plant now
No vegetable planting windows are open this week.
Prune now
No frost-timed pruning windows are open this week.
Spring-flowering shrubs are pruned right after their flowers fade, not by date. See the pruning guide.
Last spring frost odds
| Chance of a 32°F freeze after this date | Date |
|---|---|
| 90% (early: most years still freeze after this) | May 3 |
| 50% (the "average" last frost) | May 14 |
| 10% (cautious: only 1 year in 10 freezes later) | May 28 |
Most gardeners plant frost-tender crops (tomatoes, peppers, basil) after the 50% date, and closer to the 10% date for less risk.
First fall frost odds
| Chance the first 32°F freeze has happened by this date | Date |
|---|---|
| 10% (early: 1 year in 10 freezes this soon) | Sep 17 |
| 50% (the "average" first frost) | Oct 1 |
| 90% (late: most years have frozen by now) | Oct 14 |
Light frost, freeze and hard freeze
| Threshold | Last spring (50%) | First fall (50%) |
|---|---|---|
| 36°F (light frost possible on clear, calm nights) | May 26 | Sep 24 |
| 32°F (freeze) | May 14 | Oct 1 |
| 28°F (hard freeze) | May 3 | Oct 10 |
n/a means NOAA did not publish a date at that threshold for this station (usually because it rarely gets that cold).
Vegetable planting calendar for 82005
Dates count from your average last spring frost (May 14) and first fall frost (Oct 1). Half of years have a frost after the spring date, so give tender crops (tomatoes, peppers, squash) some slack.
| Crop | Start indoors | Spring planting | Fall planting |
|---|---|---|---|
| Tomato | Mar 19–Apr 2 | May 21–Jun 4 (transplant) | – |
| Pepper (sweet and hot) | Mar 5–19 | May 28–Jun 11 (transplant) | – |
| Eggplant | Mar 5–19 | May 28–Jun 11 (transplant) | – |
| Tomatillo | Mar 19–Apr 2 | May 21–Jun 4 (transplant) | – |
| Lettuce | Mar 19–Apr 2 | Apr 23–May 14 (transplant) Apr 16–May 28 (sow outdoors) | Aug 6–27 (transplant) Jul 23–Aug 20 (sowing) |
| Spinach | – | Apr 2–23 (sow outdoors) | Aug 6–27 (sowing) |
| Kale | Mar 19–Apr 2 | Apr 16–30 (transplant) Apr 16–30 (sow outdoors) | Jul 9–Aug 6 (transplant) Jun 25–Jul 23 (sowing) |
| Collards | Mar 19–Apr 2 | Apr 16–May 14 (transplant) Apr 16–May 14 (sow outdoors) | Jul 9–Aug 6 (transplant) Jun 25–Jul 23 (sowing) |
| Broccoli | Mar 5–19 | Apr 16–30 (transplant) | Jun 25–Jul 23 (transplant) |
| Cabbage | Mar 5–19 | Apr 16–30 (transplant) | Jun 25–Jul 23 (transplant) |
| Cauliflower | Mar 5–19 | Apr 30–May 14 (transplant) | Jun 25–Jul 23 (transplant) |
| Brussels sprouts | Feb 19–Mar 5 | Apr 16–30 (transplant) | Jun 11–Jul 2 (transplant) |
| Kohlrabi | Mar 19–Apr 2 | Apr 16–30 (transplant) Apr 16–30 (sow outdoors) | Jul 23–Aug 6 (sowing) |
| Bok choy / Asian greens | – | Apr 16–30 (sow outdoors) | Aug 6–20 (sowing) |
| Arugula | – | Apr 16–May 14 (sow outdoors) | Aug 6–Sep 3 (sowing) |
| Mustard greens | – | Apr 16–May 7 (sow outdoors) | Aug 6–20 (sowing) |
| Swiss chard | Apr 2–16 | Apr 30–May 21 (transplant) Apr 30–May 28 (sow outdoors) | Jul 23–Aug 6 (sowing) |
| Beet | – | Apr 16–May 14 (sow outdoors) | Jul 23–Aug 6 (sowing) |
| Carrot | – | Apr 23–May 21 (sow outdoors) | Jul 9–23 (sowing) |
| Radish | – | Apr 9–May 21 (sow outdoors) | Aug 20–Sep 3 (sowing) |
| Turnip | – | Apr 16–May 7 (sow outdoors) | Jul 23–Aug 6 (sowing) |
| Parsnip | – | Apr 23–May 14 (sow outdoors) | – |
| Pea (garden, snap, snow) | – | Mar 19–Apr 16 (sow outdoors) | Jul 9–23 (sowing) |
| Onion (bulbing) | Feb 19–Mar 5 | Apr 2–16 (transplant) | – |
| Green onion / scallion | – | Apr 2–30 (sow outdoors) | Jul 23–Aug 6 (sowing) |
| Leek | Feb 19–Mar 5 | Apr 16–30 (transplant) | – |
| Garlic | – | – | Aug 20–Sep 17 (sowing) |
| Shallot | – | Apr 2–16 (transplant) | Aug 20–Sep 17 (sowing) |
| Potato | – | Apr 16–30 (transplant) | Jun 11–25 (transplant) |
| Sweet potato | – | Jun 4–18 (transplant) | – |
| Sweet corn | – | May 21–Jun 4 (sow outdoors) | – |
| Bean, bush (snap) | – | May 21–Jun 4 (sow outdoors) | – |
| Bean, pole | – | May 21–Jun 4 (sow outdoors) | – |
| Lima bean | – | May 28–Jun 11 (sow outdoors) | – |
| Southern pea (cowpea, black-eyed pea) | – | Jun 4–25 (sow outdoors) | – |
| Cucumber | Apr 16–23 | May 21–Jun 4 (transplant) May 21–Jun 4 (sow outdoors) | – |
| Summer squash / zucchini | Apr 16–23 | May 21–Jun 4 (transplant) May 21–Jun 4 (sow outdoors) | – |
| Winter squash | Apr 16–23 | May 21–Jun 4 (transplant) May 21–Jun 4 (sow outdoors) | – |
| Pumpkin | – | May 21–Jun 4 (sow outdoors) | – |
| Watermelon | Apr 16–23 | May 28–Jun 11 (transplant) May 28–Jun 11 (sow outdoors) | – |
| Cantaloupe / muskmelon | Apr 16–23 | May 28–Jun 11 (transplant) May 28–Jun 11 (sow outdoors) | – |
| Okra | Apr 2–16 | May 28–Jun 11 (transplant) May 28–Jun 11 (sow outdoors) | – |
| Celery | Feb 19–Mar 5 | May 21–28 (transplant) | – |
| Basil | Apr 2–16 | May 21–Jun 4 (transplant) May 21–Jun 4 (sow outdoors) | – |
| Cilantro | – | Apr 30–May 28 (sow outdoors) | Aug 6–20 (sowing) |
| Parsley | Mar 5–19 | Apr 30–May 14 (transplant) Apr 23–May 14 (sow outdoors) | – |
| Dill | – | May 14–28 (sow outdoors) | Aug 6–20 (sowing) |
| Sunflower | – | May 14–28 (sow outdoors) | – |
| Asparagus (crowns) | – | Apr 16–30 (transplant) | – |
| Rhubarb (crowns) | – | Apr 16–30 (transplant) | – |
| Strawberry (plants) | – | Apr 16–30 (transplant) | Jul 23–Aug 20 (transplant) |
Typical ranges from university extension planting calendars, adjusted to your frost dates. Probabilities, not guarantees. Fall windows that would overlap spring planting are left out, as are fall crops of frost-tender plants where the frost-free season is under 210 days.
Where these numbers come from
Station: Cheyenne WFO, WY (NOAA GHCN-Daily ID USC00481676), elevation 6,119 ft, 3.2 miles from the ZIP's center point. NOAA completeness flag: R (representative, 10+ years).
Nearby stations
| Station | Distance | Last frost (50%) | First frost (50%) |
|---|---|---|---|
| Cheyenne, WY | 3 mi | May 12 | Oct 1 |
| Archer, WY | 11 mi | May 21 | Sep 24 |
| Hecla 1E, WY | 16 mi | May 27 | Sep 19 |
The average last-frost dates of these stations span 15 days, a rough guide to local variation. See data sources & methods.
Frost questions for 82005
When is the last frost in 82005?
The average (50% chance) last spring freeze of 32°F for ZIP 82005 is May 14. For a more cautious planting date, use May 28, when only 1 year in 10 still sees a later freeze.
When is the first frost in 82005?
The average first fall freeze is October 1. In 1 year in 10 it comes by September 17.
What hardiness zone is 82005?
ZIP 82005 is in USDA zone 5b (-15 to -10°F average coldest winter night), per the 2023 USDA Plant Hardiness Zone Map ZIP listing.
What is the soil temperature in 82005 right now?
This page shows the latest 2-inch and 4-inch soil temperature from the nearest public soil station (USDA SCAN, NOAA USCRN or TexMesonet), or a labeled estimate when no station is close, against the 50–55°F spring pre-emergent band.
Nearby ZIP codes
82001 Cheyenne 82007 Cheyenne 82009 Ranchettes 82059 80612 82060 Hillsdale 80549 Wellington 82052
Other ZIP codes in Laramie County
82001 82007 82009 82050 82053 82054 82059 82060 82061 82081 82082 All Laramie County frost dates · Wyoming frost dates
Never miss a frost: get The Dial
Weekly yard timing, plus frost and soil-temperature alerts for your ZIP code.
- Freeze alerts
- Soil-temp heads-up
- Weekly yard to-dos
Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.